On 13.10.2020 0.53, zwisler@xxxxxxxxxx wrote: > On Mon, Oct 12, 2020 at 10:20:31PM +0300, Mathias Nyman wrote: >> On 1.10.2020 19.43, zwisler@xxxxxxxxxx wrote: >>> On Tue, Sep 29, 2020 at 01:35:31AM +0300, Mathias Nyman wrote: > >> I'm rewriting how xhci driver handles halted and canceled transfers. >> While looking into it I found an older case where hardware gives bad data >> in the output context. This was 10 years ago and on some specic hardware, >> see commit: >> >> ac9d8fe7c6a8 USB: xhci: Add quirk for Fresco Logic xHCI hardware. >> >>> >>> I'm happy to gather logs with more debug or run other experiments, if that >>> would be helpful. As it is I don't really know how to debug the internal >>> state of the HC further, but hopefully the knowledge that the patch below >>> makes a difference will help us move forward. >> >> Great thanks, it will take some time before rewrite is ready. > > Should we/I invest time in trying to create a quirk similar to > >> ac9d8fe7c6a8 USB: xhci: Add quirk for Fresco Logic xHCI hardware. > > in the mean time, or should we just wait for your rewrite? > I've been focusing on this part so rewrite shouldn't take long. If hardware is still giving incorrect values after this we might also need a quirk on top of it. -Mathias
